Text preview for : 17_03_01.pdf part of PANASONIC KX-FP207 SERVICE MANUAL
Back to : KX-FP207.part01.rar | Home
5V 0V 3.3V or 5V
TO DIGITAL
CN301 RESET KSCLK KTXD KRXD KLATCH KSTART +5V GND
8 7 6 5
R304 NC
TO LCD
R305 NC 10 R306 NC R307 NC CN302 9 8 7 6 R308 NC R309 NC 5 4 3 2 1 D3 D2 D1 D0 E R/W RS V0 +5VLCD GND
0V
R341 R300 R301 R302 R303
3.3k 68 180 270 180 180 100p 100p 330p 330p
R343
1k
4 3 2 1
R342 +5V
R316 180
C303
1n
C304
C305
C341
C306
C300 100n
C302 RH1
AP1
+5V R313 NC R315 4.7 R310 18k R311 1.2k R312 820 R314 C311 C310 100n 100n 2.2k
LCD CONTRAST
C301
100u
NC
33
32
31
30
29
28
27
26
25
24
TXD RXD SCLK RESET D7/DIO/IP D6/CLK/IP D5/CSB/IP D4/STBB/IP E/RESB RWB/RWB/IP RS/A0/IP
23
+5V
+5V
34 35 36
5V
22 21
37 38 39 40 41 42 43 44
NC
ERASE
1 2 1 2 1 2 1
1
2 1
2
2 1
3
2
REDIAL/PAUSE
1 2
CALLER ID
1 2
SW301
SW306
SW311
SW315
SW319
SW323
SW327
SW331
KSL2 LED6 KIN1 LED7/KSL4 XLED8 XLED9 KIN2 KIN3 XLED10 KSL3 KIN4
1
2
1
2
1
2
1
2
1
2
1
2
1
2
NC
MEMO
4
5
6
FLASH/CALLWAI T 1 2
STOP
R322
LOCATOR/ INTERCOM
NC
LATCH START LED2 LED3 LED4 VSS2 VDD2 LED5 KIN0 KSL0 KSL1
IC301
LED1/IPENB XLED15 XLED14 XLED13 VSS1 VDD1 XLED11 XLED12 KIN7 KIN6 KIN5
C307
0V
100n +5V +5V NC NC R321 330
20 19 18 17 16 15 14 13 12
C308
100n
RED
LED302
2 1
1
2
3
4
5
6
7
8
9
10
11
SW302
SW307
SW312
SW316
SW320
SW324
SW328
SW332
CHARGE
NC
PRINT REPORT
1 2
CHECK
1 2 1
SET
2 1
7
2 1
8
2 1
9
2
MUTE
1 2
COPY
1 2
SW303
SW308
SW313
SW317
SW321
SW325
SW329
SW333
0V: LED ON 5V: LED OFF
R320
+5V
NC
MENU
1 2 1
REC
2 1 2 1 2 1
0
2 1 2
SP-PHONE
1 2
FAX/START
1 2
330
2
1
RED LED301 AUTO ANSWER
SW304
SW309
SW314
SW318
SW322
SW326
SW330
SW334
NC
AUTO ANSWER 1 2
PLAYBACK
1 2
0V: SW ON 5V: SW OFF
+5V +5V
SW305
SW310
R330
R332 NC
4.7k
4.7k
R331 MIC(+)1 MIC C330
1 2
100 10n
4 3
1 2 C331
R333 100 10n
4 3
NC
1 2
SW351 Document top SW
SW352 Document set SW
TO DIGITAL
MIC(-)1
NC
KX-FP207FX-S : Operation Board